Update guidelines.md

don't call `cb` twice + don't make unnecessary checks
purpen · Jun 18, 2015 · 2e0e3ae · 2e0e3ae
1 parent a947382
commit 2e0e3ae
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/docs/writing-a-plugin/guidelines.md b/docs/writing-a-plugin/guidelines.md
@@ -77,7 +77,7 @@ function gulpPrefixer(prefixText) {
   return through.obj(function(file, enc, cb) {
     if (file.isNull()) {
       // return empty file
-      cb(null, file);
+      return cb(null, file);
     }
     if (file.isBuffer()) {
       file.contents = Buffer.concat([prefixText, file.contents]);